class_docstr: Specification for user provided input data.
code: def load_from(self, data, name, **kwargs):
      try:
          value = self._get(data, name)
          return self._load(value, **kwargs)
      except Exception as err:
          raise ValueError(
              f"Error when processing field {name!r}."
          ) from err
  
imports: from typing import Any, Callable, Optional, Union, Type, Dict
  import numpy
  from gluonts.itertools import partition
  from gluonts.pydantic import parse_obj_as, BaseModel
  from ._freq import Freq
  from ._period import Period
  from ._time_frame import time_frame, TimeFrame
  from ._split_frame import split_frame, SplitFrame
label_desc: Use image node_id 1 for calling the Field obj's underlying member method code with example usage: obj.load_from(data, name) and returns: self